肿瘤: tumor...
要不: otherwise, or else, how about..., either... (or...)...
画册: picture album...
捐赠: to contribute (as a gift), to donate, benefaction...
兴高采烈: happy and excited (idiom), in high spirits, in great delight...
大象: elephant...
曲折: winding, complicated...
严禁: to strictly prohibit...
飞行: (of planes etc) to fly, flying, flight, aviation...
离职: to retire, to leave office, to quit a job...